fix: add suggestions for LLM integration tests and code structure improvements in exclusions.json; ensure findings.json is saved with a newline

.gitea/ai-review/exclusions.json

@@ -60,4 +60,14 @@
     "location": "action.yaml",
     "suggestion": "action.yaml 已整理，多餘空行已移除，結構整潔"
   }
+  {
+    "role": "Maya",
+    "location": "app/",
+    "suggestion": "LLM 整合測試需要真實 API key，不適合加入單元測試，現有測試已涵蓋 config/findings/git 邏輯"
+  },
+  {
+    "role": "Leo",
+    "location": "app/config.test.js",
+    "suggestion": "import 語句長度合理，無需拆分為多行"
+  }
 ]

app/comments.js

@@ -21,7 +21,7 @@ function buildTable(findings) {
 export function saveFindings(workspace, findings) {
   const fullPath = path.join(workspace, FINDINGS_PATH);
   fs.mkdirSync(path.dirname(fullPath), { recursive: true });
-  fs.writeFileSync(fullPath, JSON.stringify(findings, null, 2), 'utf8');
+  fs.writeFileSync(fullPath, JSON.stringify(findings, null, 2) + '\n', 'utf8');
   console.log(`  ✅ findings 寫入: ${fullPath} (${findings.length} 筆)`);
 }